Chemistry, 13.02.2022 14:00 madeleine1102
What can we say if the Rf values of a reference and a spot match in all solvents?
It's very likely that the mixture contains the reference
compound
It's proven that the mixture contains the reference
compound
It's likely that the mixture's only component is the reference
compound
It's certain that the mixture does not contain the reference
compound
Choose an answer
Answers: 3
Chemistry, 21.06.2019 20:30
Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
Answers: 2
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 11:00
The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?
Answers: 1
What can we say if the Rf values of a reference and a spot match in all solvents?
It's very likely...
Social Studies, 14.07.2019 18:30
Social Studies, 14.07.2019 18:30
Biology, 14.07.2019 18:30
Mathematics, 14.07.2019 18:30
Mathematics, 14.07.2019 18:30